REP28580

• Permit No: C1981019
• IBM Index Class Name: Report
• Doc Date: 4/16/1993
• Doc Name: 1992 ARR EXHIBIT 12 OVERBURDEN DATA UPPER AND LOWER Y
• Permit Index Doc Type: ANNUAL RECLAMATION REPORT
• Media Type: D
• Archive: No

COLOWYO COAL COMPANY
PIT SAMPLES
LOWER Y
SAMP THICK B CA COND ESP MG NA PB PH SAR SE
LOCATION DATE # ft. mg/kg megJl mmhos % meq/I meq/1 mg/kg mg/kg
LY14W 04-Mar-83 3 52 0.40 5.90 1.20 5.80 1.90 1.72 7.2 0.60 0.030
LY14E 10-May-83 7 3 0.30 6.00 1.40 7.30 1.50 1.64 7.5 0.60 0.056
LY14E 10-May-83 8 4 0.20 2.90 0.80 2.50 1.40 0.40 7.5 0.90 0.004
LY143 10-May-83 9 5 0.60 1.40 0.70 1.50 2.20 0.44 6.0 1.80 0.004
LY74E 10-May-63 10 25 0.20 4.00 1.10 4.30 1.50 0.20 7.7 0.70 0.004
LY14W 02-Aug-83 14 54 0.20 4.80 1.70 9.50 6.20 2.54 7.5 2.30 0.020
LY14C 02-Aug-83 15 54 0.60 4.10 1.00 5.80 2.30 1.61 7.3 1.00 0.040
LY15E 16-Aug-83 16 54 0.30 1.70 0.50 1.20 1.10 1.30 7.9 0.90 0.002
LY17E 13-Feb-84 28 54 0.40 4.50 1.00 4.00 6.00 2.20 4.98 8.1 0.96 0.030
LY17C 13-Feb-64 29 25 0.90 3.10 0.80 1.00 3.70 1.80 1.10 8.0 0.90 0.010
LY17W 13-Feb-64 30 52 0.40 1.70 0.50 1.00 2.60 0.80 0.60 8.2 0.55 0.010
LY17W 13-Feb-84 31 52 0.30 3.50 0.90 1.00 5.60 1.50 2.66 6.0 0.70 0.010
LY77E 02-Mar-84 35 45 0.70 2.05 0.50 11.30 1.69 1.61 0.86 7.8 1.15 0.005
LY18C 02-Mar-64 36 50 0.60 2.30 0.70 5.74 2.14 2.48 2.4a 6.1 1.66 0.005
LY16W 02-Mar-64 37 46 0.50 0.75 1.40 16.10 1.32 13.30 4.14 6.5 13.10 0.005
LY78E 13-Mar-84 38 50 0.50 6.73 1.70 2.06 9.87 3.65 2.62 7.8 1.20 0.015
LY18C 13-Mar-84 39 50 0.70 0.60 1.20 11.10 0.90 11.90 3.62 8.2 12.90 0.005
LY21 W 11 -Jan-65 75 40 0.50 5.02 2.04 7.48 3.66 14.10 5.50 7.4 6.77 0.020
LY22W 11-Jan-85 76 40 0.10 2.04 0.64 4.60 1.71 2.87 0.80 7.7 2.10 0.010
LY20E 08-Feb-85 61 45 0.45 5.34 9.30 1.50 4.17 2.31 2.04 7.a 1.06 0.005
LY20C OB-Feb-85 62 45 0.20 2.55 4.10 0.58 1.11 0.65 1.56 7.5 0.48 0.005
LY20W 07-Jun-85 66 27 0.60 10.50 2.09 3.12 10.30 3.36 3.26 7.2 1.04 0.010
LY21822C 07-Jun-85 69 80 0.60 4.22 0.57 0.01 2.66 0.61 2.38 6.7 0.44 0.010
1Y21822E 07-Jun-85 70 40 0.60 4.03 0.93 0.35 3.27 3.56 2.61 7.3 1.86 0.010
LY22W 18-Dec-85 81 40 0.30 5.20 1.24 1.51 7.27 3.29 6.70 7.6 1.32 0.110
LY22C 18-Dec-85 82 40 0.30 2.79 0.69 1.93 2.62 2.99 2.40 7.4 1.82 0.030
LY23E 24-Jan-86 91 40 0.10 8.44 1.53 11.20 9.30 2.86 1.10 7.5 0.96 0.010
LY25E 24-Feb-86 93 40 0.60 1.87 0.55 0.57 1.97 2.57 5.50 7.7 1.65 0.010
LY25E 24-Feb-86 94 40 0.60 1.28 0.48 3.24 1.51 2.98 2.10 7.9 2.52 0.010
LY23C 03-Mar-86 95 46 0.03 3.01 0.74 2.40 2.41 2.64 2.20 7.5 1.60 0.030
LY22W 18-Mar-86 96 30 0.05 4.21 1.12 1.90 4.66 3.7a 5.40 7.5 1.76 0.700
LY26E 23-May-86 102 80 0.40 0.75 1.69 36.20 0.43 20.10 5.80 8.1 26.20 0.090
LY26C 23-May-86 104 50 0.30 1.95 1.08 10.90 1.39 9.55 a.10 7.7 7.40 0.090
LY27E 23-Oct-86 114 65 0.30 6.19 0.97 1.23 2.91 2.41 2.80 7.4 1.13 0.010
LY28E 23-Oct-86 115 65 0.30 9.21 3.40 4.92 21.10 16.90 3.00 7.6 4.34 0.010
LY23W 22-Dec-86 122 60 0.10 3.84 1.04 4.59 3.16 5.46 1.00 8.1 2.92 0.010
LY24C 16-Jan-67 123 0.10 2.38 0.93 0.32 2.72 4.07 1.60 7.6 2.55 0.010
LY24W 16-Jan-67 124 0.10 3.03 1.00 1.78 4.01 3.43 2.30 7.6 1.63 0.010
LY25W 16-Jan-87 125 0.20 3.86 1.06 2.24 4.41 3.66 7.60 7.3 1.80 0.020
LY25C 16-Jan-87 126 0.10 2.96 1.50 8.97 1.76 11.30 2.90 7.6 7.34 0.020
LY27C 12-May-87 143 0.02 3.20 0.88 1.53 3.41 1.67 4.00 7.3 0.92 0.020
LY28W 02-Jun-67 144 50 0.30 2.54 1.03 4.40 1.53 6.95 3.80 7.4 4.67 0.070
LY28C 02-Jun-87 146 45 0.20 2.29 1.41 5.80 1.42 10.60 5.80 7.7 7.78 0.075
LY29C 11 -Sep-67 150 0.30 4.30 1.07 1.50 4.70 2.76 2.40 7.5 1.30 0.050
LY29E 11-Sep-87 151 0.10 3.60 1.00 0.27 4.60 2.76 1.70 7.6 1.35 0.020
LY29W 11-Sep-87 156 0.10 4.50 0.98 0.32 3.64 1.74 1.90 7.6 0.65 0.030
LY30E 04-Mar-68 169 0.20 3.20 0.80 2.50 3.40 3.80 7.90 7.6 2.10 0.500
LY30C 21-Apr-88 170 1.20 8.70 2.00 2.30 8.40 6.30 1.30 7.3 2.20 0.550
LY30W 21-Apr-86 171 0.40 2.60 0.68 1.70 2.20 4.40 0.26 7.6 2.80 0.010
LY31E 02-Jun-68 172 0.10 3.40 0.59 9.70 2.50 1.30 1.20 7.4 0.76 0.010
LY31C 29-Aug-88 176 0.10 2.90 0.84 2.10 2.90 4.40 2.10 7.6 2.60 0.010
LY32E 29-Aug-86 178 0.10 3.10 0.51 3.90 1.90 1.00 4.00 7.5 0.60 0.010
LY32C 29-Aug-BB 179 0.10 4.10 0.97 2.10 2.80 4.60 4.10 7.4 2.50 0.050
LY31 W 29-Aug-68 180 0.10 3.80 1.00 3.80 3.20 3.80 1.70 2.00 0.020
LY33C 24-Feb-89 189 0.1 4.2 0.88 2.1 3.6 1.4 3.00 7.2 0.7 0.05
LY33E 24-Feb-89 190 0.1 5.5 1.08 1.4 3.9 2.5 3.00 6.7 1.2 0.05
LY32W 24-Feb-89 196 0.3 3.5 0.85 1.7 3.9 2.3 4.00 7.4 1.2 0.03
LY33W 24-Apr-89 201 0.15 3.3 1.23 17.00 2.9 5.5 6.00 7.3 3.1 0.10
LY34E 09-May-69 204 0.1 3.7 0.70 2.00 2.3 1.7 1.00 7.0 1.0 0.01
LY34C 09-May-89 205 0.1 4.7 0.81 2.00 2.6 1.7 2.00 6.5 0.9 0.02